TY - BOOK AU - Whaley,Douglas J. AU - McJohn,Stephen M. TI - Problems and materials on commercial law T2 - Aspen casebook series SN - 9781454807193 AV - KF889 W44 2012 U1 - 346.7307 23 PY - 2012///] CY - New York PB - Wolters Kluwer Law & Business/Aspen Publishers KW - Derecho mercantil KW - Estados Unidos KW - Casos ER -